Finding the Fourth Proportional to 4,309,257.09, 6,463,358.90 and 1,114,115.70
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Solution
The fourth proportional to 4,309,257.09, 6,463,358.90 and 1,114,115.70 is: 1,671,037.37
Step by Step Solution
- Step 1: Write the proportion equation
4,309,257.09 : 6,463,358.90 = 1,114,115.70 : x - Step 2: Convert to fraction form
4,309,257.09/6,463,358.90 = 1,114,115.70/x - Step 3: Cross multiply
4,309,257.09x = 6,463,358.90 × 1,114,115.70 - Step 4: Simplify right side
4,309,257.09x = 7,200,929,619,654.15 - Step 5: Solve for x
x = 7,200,929,619,654.15/4,309,257.09 - Step 6: Final answer
x = 1,671,037.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.